Do you take as much care of your neck as you do your face? For most, we bet the answer is 'No' – but it's one of the first places to show signs of ageing, and can be tricky to treat once sagging, crepey skin starts forming. However, this bestselling serum has just had a major update , and may offer the perfect solution. Solutions-driven skincare brand PRAI – whose iconic neck cream is the bestselling one in Boots and M&S – has just revamped another of its most popular products, PRAI Ageless